ndnlp-sequence-generator.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_DAEMON_FACE_NDNLP_SEQUENCE_GENERATOR_HPP
#define NFD_DAEMON_FACE_NDNLP_SEQUENCE_GENERATOR_HPP

#include "common.hpp"

namespace nfd {
namespace ndnlp {

class SequenceBlock
{
public:
  SequenceBlock(uint64_t start, size_t count);

  uint64_t
  operator[](size_t pos) const;

  size_t
  count() const;

private:
  uint64_t m_start;
  size_t m_count;
};

inline uint64_t
SequenceBlock::operator[](size_t pos) const
{
  if (pos >= m_count)
    BOOST_THROW_EXCEPTION(std::out_of_range("pos"));
  return m_start + static_cast<uint64_t>(pos);
}

inline size_t
SequenceBlock::count() const
{
  return m_count;
}

class SequenceGenerator : noncopyable
{
public:
  SequenceGenerator();

  SequenceBlock
  nextBlock(size_t count);

private:
  uint64_t m_next;
};

} // namespace ndnlp
} // namespace nfd

#endif // NFD_DAEMON_FACE_NDNLP_SEQUENCE_GENERATOR_HPP